class People {

    private int averHeight = 166;

    public int getAverHeight() {

       return averHeight;

    }

}

class ChinaPeople extends People {

     int height;

     public void setHeight(int h) {

          height = h;

     }

     public int getHeight() {

        return height;

     }

}

public class Example5_2 {

  public static void main(String args[]) {

      ChinaPeople zhangSan = new ChinaPeople();

      System.out.println("子类对象未继承的averageHeight的值是:"+zhangSan.getAverHeight());

      zhangSan.setHeight(178);

      System.out.println("子类对象的实例变量height的值是:"+zhangSan.getHeight());

  }  

}
